{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75260",
    "entityType": "User",
    "nonce": "0xe06cba7876349557c2aabb60ef588dcf20b6dfc2628e27f6364a3eedf9c20d57",
    "signature": "0xe4c94baa6c3c5fe8972f591d06ffdb31ed28cadb1fe25f5810caf549636b33d26f4afdc6ff01473a40eaea68cc7b57db1d8ff471cf21005ae824a9ffaa858b291b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}